Add `GetStream` to `IWorkingBeatmap`
Add `GetStream` to `IWorkingBeatmap`

NeoAdonis/osu,ppy/osu,smoogipooo/osu,peppy/osu,smoogipoo/osu,UselessToucan/osu,ppy/osu,UselessToucan/osu,smoogipoo/osu,peppy/osu,UselessToucan/osu,NeoAdonis/osu,NeoAdonis/osu,peppy/osu,smoogipoo/osu,ppy/osu,peppy/osu-new